Finding the Fourth Proportional to 316,157.56, 474,237.14 and 129,169.06
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Solution
The fourth proportional to 316,157.56, 474,237.14 and 129,169.06 is: 193,753.92
Step by Step Solution
- Step 1: Write the proportion equation
316,157.56 : 474,237.14 = 129,169.06 : x - Step 2: Convert to fraction form
316,157.56/474,237.14 = 129,169.06/x - Step 3: Cross multiply
316,157.56x = 474,237.14 × 129,169.06 - Step 4: Simplify right side
316,157.56x = 61,256,765,590.89 - Step 5: Solve for x
x = 61,256,765,590.89/316,157.56 - Step 6: Final answer
x = 193,753.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.